Patents by Inventor Yizhu YIN

Yizhu YIN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Stabilizer for color developing agent and application thereof, application of composition in preparation of stabilizer, and kit
    Patent number: 12116615
    Abstract: Disclosed in the present invention are a stabilizer for a color developing agent and application thereof, an application of a composition in preparation of the stabilizer, and a kit. A stabilizer for a color developing agent is provided in the present invention. The stabilizer includes a reducing substance and a weakly acidic buffer, and the weakly acidic buffer has a pH of 3.8-6.2. The reducing substance includes one or more of sodium sulfite, sodium bisulfite, sodium thiosulfate, or 1-mercaptoglycerol. The color developing agent includes one or two of a phenothiazine color developing agent or a triphenylmethane color developing agent. The color developing agent can be stably preserved by using the stabilizer. A method for stably preserving a color developing agent includes dissolving the color developing agent in the stabilizer.
    Type: Grant
    Filed: May 17, 2022
    Date of Patent: October 15, 2024
    Assignee: DA AN GENE CO., LTD.
    Inventors: Xiwen Jiang, Wenchuang Qi, Runfeng Wu, Junxing Jian, Chuanfei Mo, Yizhu Yin, Suwei Lei
  • STABILIZER FOR COLOR DEVELOPING AGENT AND APPLICATION THEREOF, APPLICATION OF COMPOSITION IN PREPARATION OF STABILIZER, AND KIT
    Publication number: 20230340561
    Abstract: To the Abstract: Disclosed in the present invention are a stabilizer for a color developing agent and application thereof, an application of a composition in preparation of the stabilizer, and a kit. A stabilizer for a color developing agent is provided in the present invention. The stabilizer includes a reducing substance and a weakly acidic buffer, and the weakly acidic buffer has a pH of 3.8-6.2. The reducing substance includes one or more of sodium sulfite, sodium bisulfite, sodium thiosulfate, or 1-mercaptoglycerol. The color developing agent includes one or two of a phenothiazine color developing agent or a triphenylmethane color developing agent. The color developing agent can be stably preserved by using the stabilizer. A method for stably preserving a color developing agent includes dissolving the color developing agent in the stabilizer.
    Type: Application
    Filed: May 17, 2022
    Publication date: October 26, 2023
    Applicant: DA AN GENE CO., LTD.
    Inventors: Xiwen JIANG, Wenchuang QI, Runfeng WU, Junxing JIAN, Chuanfei MO, Yizhu YIN, Suwei LEI